NZST to GMT converter
New Zealand Time → UK Time
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New Zealand Time (NZST) is UTC+12 and observes daylight saving (NZDT, UTC+13, roughly September–April). It covers Auckland, Wellington and Christchurch.
UK Time (GMT) is UTC+0 and observes British Summer Time (BST, UTC+1, roughly March–October). It covers London, Manchester and Edinburgh.
UK Time is typically 12 hours behind New Zealand Time, though daylight saving can shift the difference by an hour at some times of year.
Best time to call UK Time from New Zealand Time
There's no 9-to-5 overlap between New Zealand Time and UK Time — one side always has to flex. The practical slots: 10:00 PM in New Zealand Time is 10:00 AM in UK Time. Daylight saving can shift these times by an hour at some points in the year.
NZST to GMT, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.